Test Description
WARNING: This page is about a different car, the 1990 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Numbers below refer to circled numbers in diagnostic chart.
- Checks to see if off-board devise can communicate with ECBM.
- Checks for short to battery voltage in ABS serial data circuit.
- Checks for short to ground in ABS serial data circuit.
- Checks for open in ABS serial data circuit.
- Checks to see if off-board devise can communicate with ECBM.
- If connections at ECBM and ALDL connector are okay, replace ECBM.